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Finding the Fourth Proportional to 593,840.60, 890,760.90 and 173,130.20

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Solution

The fourth proportional to 593,840.60, 890,760.90 and 173,130.20 is: 259,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,840.60 : 890,760.90 = 173,130.20 : x
  2. Step 2: Convert to fraction form
    593,840.60/890,760.90 = 173,130.20/x
  3. Step 3: Cross multiply
    593,840.60x = 890,760.90 × 173,130.20
  4. Step 4: Simplify right side
    593,840.60x = 154,217,612,769.18
  5. Step 5: Solve for x
    x = 154,217,612,769.18/593,840.60
  6. Step 6: Final answer
    x = 259,695.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.